Contact Graham-White for all of your valve needs. Our reputation as a quality innovator, designer and manufacturer is due in part to the value of our custom valves. Since the early 1900's, our technology has kept customers totally satisfied. Made with the finest materials and manufactured to customer specifications, only Graham-White Valves add the highest value to your bottom line. Our specialty areas are heavy-duty construction, operating in severe environments, high flow capacity and extreme voltage requirements in both DC and AC operation. Our Valve Family includes: Check Drain Operating (Conductor, Relay, Horn) Solenoid If your requirements are not listed below, contact us and ask how we can add value to your valves.
Two solenoid valves and a single two way check valve all mounted to a common manifold.
The manifold significantly minimizes the amount of piping allowing for a single pressure input and single output to the horn. An orifice is used under one of the solenoid valves to provide the "LO" horn signal.
In addition to having the threaded exhaust nut, this set of 812s also have a manual override feature. They can function as either Normally Closed or Normally Open Valves.
In addition to having the threaded exhaust nut, this set of 816s also have a manual override feature. They can function as either Normally Closed or Normally Open Valves.
The 863-001 Series Duplex Solenoid Valve is designed for "fail-safe" operation of the locomotive cooling shutters. The same proven components found in the GW 812 Solenoid Valve and the GW 816 Solenoid Valve are integrated for reliability, performance and standardization.